Controlling degradation of hydrogels via the size of cross-linked junctions

被引:95
作者
Kong, HJ
Alsberg, E
Kaigler, D
Lee, KY
Mooney, DJ [1 ]
机构
[1] Harvard Univ, Div Engn & Appl Sci, Cambridge, MA 02138 USA
[2] Univ Michigan, Dept Biomed Engn, Ann Arbor, MI 48109 USA
[3] Univ Michigan, Dept Biol & Mat Sci Dent, Ann Arbor, MI 48109 USA
[4] Hanyang Univ, Coll Chem Engn, Seoul 133791, South Korea
关键词
D O I
10.1002/adma.200400014
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The degradation rates of hydrogels are shown to be regulated by the modulation of the dissociation rates of the polymer chains via a size mismatch in the crosslinking zones. This method (used to control degradation) can be exploited in order to engineer cartilage tissue in vivo (see Figure).
引用
收藏
页码:1917 / +
页数:6
相关论文
共 20 条
[1]   Regulating bone formation via controlled scaffold degradation [J].
Alsberg, E ;
Kong, HJ ;
Hirano, Y ;
Smith, MK ;
Albeiruti, A ;
Mooney, DJ .
JOURNAL OF DENTAL RESEARCH, 2003, 82 (11) :903-908
[2]  
[Anonymous], 1976, HYDROGELS MED RELATE
[3]   Mechanical properties of hydrogels and their experimental determination [J].
Anseth, KS ;
Bowman, CN ;
BrannonPeppas, L .
BIOMATERIALS, 1996, 17 (17) :1647-1657
[4]   New directions in photopolymerizable biomaterials [J].
Anseth, KS ;
Burdick, JA .
MRS BULLETIN, 2002, 27 (02) :130-136
[5]   Synthesis of cross-linked poly(aldehyde guluronate) hydrogels [J].
Bouhadir, KH ;
Hausman, DS ;
Mooney, DJ .
POLYMER, 1999, 40 (12) :3575-3584
[6]   Manipulations in hydrogel chemistry control photoencapsulated chondrocyte behavior and their extracellular matrix production [J].
Bryant, SJ ;
Durand, KL ;
Anseth, KS .
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A, 2003, 67A (04) :1430-1436
[7]   Crosslinking index, molecular weight distribution and rubber equilibrium shear modulus during polyfunctional crosslinking of existing polymer. Part 5. Primary polymer with a discrete distribution of the molecular weights [J].
Franse, MWCP ;
Nijenhuis, KT .
JOURNAL OF MOLECULAR STRUCTURE, 2000, 554 (01) :1-10
[8]   Determination of pore size distribution for mesoporous materials and polymeric gels by means of DSC measurements: thermoporometry [J].
Iza, M ;
Woerly, S ;
Danumah, C ;
Kaliaguine, S ;
Bousmina, M .
POLYMER, 2000, 41 (15) :5885-5893
[9]   Decoupling the dependence of rheological/mechanical properties of hydrogels from solids concentration [J].
Kong, HJ ;
Lee, KY ;
Mooney, DJ .
POLYMER, 2002, 43 (23) :6239-+
[10]   Hydrogels for tissue engineering [J].
Lee, KY ;
Mooney, DJ .
CHEMICAL REVIEWS, 2001, 101 (07) :1869-1879